Therefore, the iPhone has been successful in these two countries. The iPhone 8 could look into new demographic markets. For example, Apple Inc. can continue to invest in the international market (Adam et al. 2015). Therefore, the main consumers of iPhone are men, aged 25 to 30, university graduates with high incomes or businessmen (Gabriela & Florin 2015). Most iPhone customers are under 30 and have also purchased Apple products at least once. iPhone is basic on iPod and iTunes experience, customer can easily learn how to use iPhone. China and South Korea are other countries experiencing strong growth (Gabriela & Florin 2015). For example, according to the report, loyal South Korean customers during the iPhone 6 launch sold out in fifteen minutes for 50,000 (Forbes 2016). In the other country, China, whenever a new mobile phone is launched, people simply ignore the other brand and go straight to the Apple Store (Business Insider 2016). In the past, Chinese people loved the Apple brand, they thought the iPhone could satisfy their needs. On the other hand, in the Chinese mobile phone market there are different brands, for example Huawei, OPPO and Meizu. If the launch of iPhone 8 in the Chinese market is expected to be further improved for the phone's functions, higher quality screen, wireless and